The islands cover a total area of 400 square miles.

这些岛屿的总面积为400平方英里。

《柯林斯英汉双解大词典》

It is a plateau lake with a total area of 52 square kilometers, 2685 meters above sea level.

泸沽湖是高原湖泊，湖水面积52平方公里，水面海拔2685米。

youdao

More than 400 dead zones with a total area of 245,000 square kilometers were identified worldwide last year.

去年全世界共确认400多死亡区，总面积达245000平方千米。

youdao

This would depend on the total surface area of roofs in a city.

VOA: special.2010.03.02

The Galloway and southern Ayrshire Biosphere represents the merging of two biosphere reserves covering a total area of 520, 000 ha.

UNESCO: UK National Commission for UNESCO :: Galloway and southern Ayrshire Biosphere welcomed to worldwide UNESCO network

Galloway and southern Ayrshire Biosphere, United Kingdom , represents the merging of two biosphere reserves covering a total area of 520, 000 ha.

UNESCO: EDUCATION

Sheka, Ethiopia , covers a total area of 238, 750 ha and consists of forests, bamboo thickets, wetlands, agriculture lands, rural settlements and towns.

UNESCO: EDUCATION